(idiomatic) To forcibly prevent oneself from speaking, especially in order to avoid saying something inappropriate or likely to cause a dispute.

Ogcocephalus porrectus

A variety of batfish, Ogcocephalus darwini, native to the Galapagos Islands and Peru, which is noted for its bright red lips and inability to swim.

plural of stiff upper lip

Third-person singular simple present indicative form of lick one's lips

present participle of lick one's lips

simple past tense and past participle of lick one's lips

Alternative form of lick one's chops

(idiomatic) To speak confidently and unhesitantly but without careful forethought or a reliable knowledge of important facts pertaining to the subject matter.

To be sullen or sulky.